AT419613T - Control chart for a cholesteric liquid crystal display element - Google Patents

Control chart for a cholesteric liquid crystal display element

Info

Publication number
AT419613T
AT419613T AT05801532T AT05801532T AT419613T AT 419613 T AT419613 T AT 419613T AT 05801532 T AT05801532 T AT 05801532T AT 05801532 T AT05801532 T AT 05801532T AT 419613 T AT419613 T AT 419613T
Authority
AT
Austria
Prior art keywords
liquid crystal
crystal display
display element
cholesteric liquid
control chart
Prior art date
Application number
AT05801532T
Other languages
German (de)
Inventor
Amir Ben-Shalom
Lahav Langboim
Ilan Feldman
David Coates
Original Assignee
Magink Display Technologies
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to IL16515004A priority Critical patent/IL165150D0/en
Priority to GB0512437A priority patent/GB0512437D0/en
Application filed by Magink Display Technologies filed Critical Magink Display Technologies
Publication of AT419613T publication Critical patent/AT419613T/en

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3622Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/04Structural and physical details of display devices
    • G09G2300/0469Details of the physics of pixel operation
    • G09G2300/0478Details of the physics of pixel operation related to liquid crystal pixels
    • G09G2300/0482Use of memory effects in nematic liquid crystals
    • G09G2300/0486Cholesteric liquid crystals, including chiral-nematic liquid crystals, with transitions between focal conic, planar, and homeotropic states
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones
    • G09G3/2014Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones
    • G09G3/2077Display of intermediate tones by a combination of two or more gradation control methods
AT05801532T 2004-11-10 2005-11-07 Control chart for a cholesteric liquid crystal display element AT419613T (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IL16515004A IL165150D0 (en) 2004-11-10 2004-11-10 A cholesteric liquid crystal display device
GB0512437A GB0512437D0 (en) 2005-06-17 2005-06-17 Drive scheme for a cholesteric liquid crystal display device

Publications (1)

Publication Number Publication Date
AT419613T true AT419613T (en) 2009-01-15

Family

ID=35787972

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05801532T AT419613T (en) 2004-11-10 2005-11-07 Control chart for a cholesteric liquid crystal display element

Country Status (6)

Country Link
US (1) US8013819B2 (en)
EP (1) EP1810273B1 (en)
JP (1) JP2008519996A (en)
AT (1) AT419613T (en)
DE (1) DE602005012140D1 (en)
WO (1) WO2006051273A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0512829D0 (en) * 2005-06-23 2005-08-03 Magink Display Technologies Video drive scheme for a cholesteric liquid crystal display device
GB0610433D0 (en) * 2006-05-25 2006-07-05 Magink Display Technologies Lighting a cholesteric liquid crystal display apparatus
JP2009181106A (en) * 2008-02-01 2009-08-13 Fujitsu Ltd Dot matrix type display device and image writing method
US8269801B2 (en) * 2008-09-24 2012-09-18 3M Innovative Properties Company Unipolar gray scale drive scheme for cholesteric liquid crystal displays
TW201042604A (en) * 2009-05-19 2010-12-01 Ind Tech Res Inst Display and driving method
US8217930B2 (en) 2009-08-27 2012-07-10 3M Innovative Properties Company Fast transitions of large area cholesteric displays
KR20110102703A (en) * 2010-03-11 2011-09-19 삼성전자주식회사 Method of driving display panel and display device for performing the method
JP5653686B2 (en) 2010-08-24 2015-01-14 株式会社ジャパンディスプレイ Display device with touch detection function
TW201217860A (en) 2010-10-25 2012-05-01 Ind Tech Res Inst Cholesteric liquid crystal device
KR101773950B1 (en) * 2010-11-08 2017-09-13 삼성디스플레이 주식회사 Display device and driving method thereof
JP2012211982A (en) * 2011-03-31 2012-11-01 Fujitsu Ltd Liquid crystal display device and method for driving the same
GB201111123D0 (en) * 2011-06-29 2011-08-10 R2Tek Llc Drive scheme for cholesteric liquid crystal display device
CN103529611B (en) * 2013-09-24 2017-01-25 深圳市华星光电技术有限公司 Array substrate and liquid crystal display panel
US10191309B2 (en) * 2015-08-07 2019-01-29 Instec, Inc. Measurement techniques for liquid crystal parameters including twist elastic constant without light measurement

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8922415D0 (en) * 1989-10-05 1989-11-22 Emi Plc Thorn A screen and projector for use in a front projection system
JPH06100757B2 (en) * 1990-07-09 1994-12-12 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン Liquid Crystal Display
JP3133216B2 (en) * 1993-07-30 2001-02-05 キヤノン株式会社 Liquid crystal display device and driving method thereof
US5748277A (en) * 1995-02-17 1998-05-05 Kent State University Dynamic drive method and apparatus for a bistable liquid crystal display
US6154190A (en) 1995-02-17 2000-11-28 Kent State University Dynamic drive methods and apparatus for a bistable liquid crystal display
US5661533A (en) * 1995-05-19 1997-08-26 Advanced Display Systems, Inc. Ultra fast response, multistable reflective cholesteric liquid crystal displays
JP3217657B2 (en) * 1995-09-13 2001-10-09 株式会社東芝 Liquid Crystal Display
FR2740894B1 (en) * 1995-11-08 1998-01-23 Centre Nat Rech Scient Improved display device based on liquid crystals and with bistable effect
GB2327797A (en) * 1997-07-31 1999-02-03 Sharp Kk Spatial light modulator and display
JP3713954B2 (en) * 1998-05-14 2005-11-09 コニカミノルタホールディングス株式会社 Driving method of liquid crystal display element
US6414669B1 (en) * 1998-05-14 2002-07-02 Minolta Co., Ltd. Driving method and apparatus for liquid crystal display device
US6317189B1 (en) * 1998-12-29 2001-11-13 Xerox Corporation High-efficiency reflective liquid crystal display
TW523727B (en) * 1999-05-27 2003-03-11 Koninkl Philips Electronics Nv Display device
JP2001083485A (en) * 1999-09-13 2001-03-30 Fuji Xerox Co Ltd Display device
EP1166258A1 (en) * 2000-01-31 2002-01-02 Three-Five Systems, Inc. Methods and apparatus for driving a display
JP3888413B2 (en) * 2000-01-14 2007-03-07 富士ゼロックス株式会社 Display element, writing method and writing apparatus
EP1130568A3 (en) * 2000-03-01 2003-09-10 Minolta Co., Ltd. Liquid crystal display device
US6819310B2 (en) * 2000-04-27 2004-11-16 Manning Ventures, Inc. Active matrix addressed bistable reflective cholesteric displays
US6816138B2 (en) * 2000-04-27 2004-11-09 Manning Ventures, Inc. Graphic controller for active matrix addressed bistable reflective cholesteric displays
WO2002086855A1 (en) 2001-04-18 2002-10-31 Kent Displays, Inc. Active matrix addressed bistable reflective cholesteric displays and graphic controllers and operating methods therefor
JP2003533751A (en) 2000-05-17 2003-11-11 イー − マジン ディスプレイ テクノロジーズ リミテッド Color reflective electronic bulletin board device for outdoor advertising
US7106350B2 (en) * 2000-07-07 2006-09-12 Kabushiki Kaisha Toshiba Display method for liquid crystal display device
KR20020069247A (en) * 2000-11-14 2002-08-29 코닌클리케 필립스 일렉트로닉스 엔.브이. Display device
GB0109015D0 (en) * 2001-04-11 2001-05-30 Koninkl Philips Electronics Nv Bistable chiral nematic liquid crystal display and method of driving the same
GB0114998D0 (en) 2001-06-20 2001-08-08 Secr Defence Liquid crystal device
US6816227B2 (en) * 2001-08-07 2004-11-09 Eastman Kodak Company Gray scale and color cholesteric liquid crystal displays
JP2003140183A (en) * 2001-08-22 2003-05-14 Sharp Corp Reflective liquid crystal display device
KR100806901B1 (en) * 2001-09-03 2008-02-22 삼성전자주식회사 Liquid crystal display for wide viewing angle, and driving method thereof
US20030151580A1 (en) * 2002-02-11 2003-08-14 Yao-Dong Ma Motion video cholesteric displays
IL152029D0 (en) * 2002-09-30 2003-04-10 Magink Display Technologies Distinct color lcd apparatus
US6924783B2 (en) * 2003-01-28 2005-08-02 Eastman Kodak Company Drive scheme for cholesteric liquid crystal displays
JP3818273B2 (en) * 2003-05-23 2006-09-06 コニカミノルタホールディングス株式会社 Method for driving liquid crystal display element and liquid crystal display device
DE60331481D1 (en) * 2003-09-04 2010-04-08 Fujitsu Ltd Ic card
GB0512829D0 (en) * 2005-06-23 2005-08-03 Magink Display Technologies Video drive scheme for a cholesteric liquid crystal display device
GB0520763D0 (en) 2005-10-12 2005-11-23 Magink Display Technologies Cholesteric liquid crystal display device
GB0610433D0 (en) * 2006-05-25 2006-07-05 Magink Display Technologies Lighting a cholesteric liquid crystal display apparatus
GB0702977D0 (en) * 2007-02-15 2007-03-28 Magink Display Technologies In Driving of a cholesteric liquid display apparatus

Also Published As

Publication number Publication date
JP2008519996A (en) 2008-06-12
DE602005012140D1 (en) 2009-02-12
US20080042959A1 (en) 2008-02-21
EP1810273B1 (en) 2008-12-31
US8013819B2 (en) 2011-09-06
WO2006051273A1 (en) 2006-05-18
EP1810273A1 (en) 2007-07-25

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties